Project

GOB Earth Inc. - Plastic-Free Earplugs

PROWL is the exclusive product design partner for GOB, the world’s first plastic-free earplug with a conscience made from lab-grown mycelium. These single-use plugs have been engineered by nature to tune your experiences to the right volume, without any harmful materials or chemicals. They are completely home compostable and will feed the ground wherever they end up.

Earplugs might not sound like a big environmental problem, but the world manufactures 40 billion of them a year. To put that into context, if laid end-to-end, 40 billion earplugs would stretch over 2.4 million miles, which is enough to wrap around the Earth nearly 100 times.

Process

To this day, single-use earplugs are still made of petroleum-based materials, mostly PVC, which are endocrine disrupting, cancer-causing, and inflict environmental harm. There was an opportunity to replace the current solutions on the market with one made from materials that don’t just do less harm, but actually regenerates the health of the planet with every use.

Through extensive research & development, PROWL studied the material properties and manufacturability of mycelium - the naturally sound-dampening root-like structure of fungi - in order to bring GOB’s vision to life.

More Information

PROWL continues to support GOB in their vision to reinvent wearable wellness products that are engineered with biology to evolve your everyday life into the regenerative future.

Product is available for purchase here →
https://www.gob.earth/

Professional Photography and Video by OOA Studio.

In the News

Fast Company named GOB the No. 5 Most Innovative Company of 2025 in the Consumer & Household Goods category!

This isn’t just a win for GOB—it’s a win for the future we all believe in. A future where the products we use daily don’t deplete resources but help restore them. A future where innovation and regeneration go hand in hand.

Read more about GOB's ranking and other Innovative Companies here →
https://fastcompany.com/innovativecompany2025